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Which of the following is an alternative to the immersion technique for impregnation of porous bearings?

Which of the following is an alternative to the immersion technique for impregnation of porous bearings? Correct Answer Vacuum impregnation

The most widely used technique as an alternative to the immersion technique for impregnation of porous bearings is the vacuum impregnation. In this method, the sintered parts are placed in a basket and subjected to vacuum to remove all the moisture and air trapped within the pores. The oil is then introduced into the chamber and allowed to enter the pores.

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